| Value | Category | Cases | |
|---|---|---|---|
| 6 | 2 |
2.4%
|
|
| 7 | 16 |
19.3%
|
|
| 8 | 24 |
28.9%
|
|
| 9 | 40 |
48.2%
|
|
| 11 | 1 |
1.2%
|
|
| Sysmiss | 52 |